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Vizio not turning on

Power supply seems to be good, tested the voltages on cn9902 and are ok. Green indicator turn on but no image or sound, if press power buton again green indicator stays on

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SOURCE: Picture & sound suddenly shut off. power light blinks red 5X...5X

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Posted on Dec 03, 2009

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SOURCE: No Sound, No Picture on LG 42LC7D

I do not have a solution but I have the same situation with my tv

Posted on May 25, 2010

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SOURCE: Sharp LC37D44U Power LED was flashing green. TV

I had the same problem. all the service reset would only make the display come on for a few second with no "k" on the screen - only the channel would show up. I purchased a complete set of board for the lcd on ebay, and started swapping them one by one. The inverter boards were the culpret. Tele working 100% since that board swap.

Posted on Apr 08, 2011

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I have a vizio TV and last night the power flickered and then no picture just sound came back??


Back - light problem. Check and replace damaged component/s at its back-light inverter board, or replace this board as card basis. If you wish to get some details; check the site linked here. Surf the site with patience. Pull up older posts. It will be best to replace the inverter board as card basis.
http://electronicshelponline.blogspot.com/.
Some model sets; especially LED back-lighted types; the back-light inverter circuit will be part of the main power supply board [SMPS]. In such cases, the power supply board might need replacement.

Jul 27, 2015 | Vizio Televison & Video

3 Answers

I have a Visio TV, the green light turns on briefly, then orange turns on solid, tv will not turn on, no picture no sound, why?


It looks like the control board is not receiving a voltage that it is expecting to tell it the TV is fully on, and is going into a fail-safe shutdown mode. I would start by looking for swollen capacitors on the boards in the set as well as for loose/bad solder connections on those boards. Aside from that you would need a service manual and some test equipment to troubleshoot it. Sorry I can't be more help, I have not had to work on this particular model before.

Jul 11, 2015 | Vizio L37 Television

1 Answer

VIZIO MODEL VW42LFHDTV10A WILL NOT TURN ON. FUSES &VOLTAGES OK


Did you check for the "ON" or "PS ON" signal on the power supply board? It should be around 3.3vdc.This signal comes from the main board, it commands the other sections of the power supply to come on and turn on the TV set. This signal should be present when you press the power button from either the TV or remote. If you are not getting this signal from the main board, you're most likely dealing with a main board failure. If you are dealing with a main board failure, take heed, some Vizio main boards can be expensive.

Sep 04, 2012 | Televison & Video

1 Answer

Turn tv on. green light solid display, no picture or sound


The flashing green light is likely indicative of a self-test failure, indicating the TV has detected some sort of internal fault. With no picture or sound, one strong suspect is the power supply. Flat-panel TV's have an internal DC power supply that converts the inbound AC current, and when these fail, or are unable to supply a minimum level of power to the set, it can behave as you describe, providing only enough power for the green light to illuminate.

Jul 28, 2012 | LG 50PG60UD 50 in. HD-Ready Plasma TV

1 Answer

I was watching tv and the tv turn off itself than no ligues no power and i try to turn on again and nothing happen what i should do?


Good day!

The problem of your TV is the power supply board.

Please follow this procedure to fix that problem:

  1. Remove the back cover of your TV.
  2. After that,look for the power supply board.
  3. Next,check the input voltage of the power supply using multimeter tester (range in AC).If the power supply don't have input voltage,replace the power cord.
  4. If the power supply board have input voltage,next is check the output voltage of power supply it should have 5vdc for the system board,12vdc for the sounds and 24vdc for the back light inverter.
  5. If you don't have output voltage of the power supply.Please check the fuse if busted and the power transistor if it is shorted,replace it with the same type,ratings and value.Also look for any leak/bulged on the top capacitor.
  6. After you done this steps and you found and replace the defective parts.Plug-in your TV and power it ON to test if it is OK.
The power supply looks like this:
bugoy31_3.jpg

If this solution will be help you to fix your problem,please don't forget to vote and rate my answer.Thank you for using FixYa and good luck.

May 08, 2011 | Vizio L37 Television

1 Answer

Green lights...no power. HELP!


This could be a problem with your power supply. If the motherboard sees that the voltages from your power supply are low, it will turn itself back off.

You can test your power supply by unplugging all of your internal power cables, ground out the green wire on the 20-pin/24-pin ATX connector and check your yellow (12v), red (5v) and orange (3.3v) wires. If the voltages come back more than 10-15% off, you will most likely need a new power supply.
Even if you have good voltages using the test method above, it is only an indication that your voltages are good at zero load. Your power supply may still fail under normal load. If you have recently added any hardware to your computer, remove it and try again. If this still doesn't work or you haven't added any hardware recently, replace your power supply.

May 13, 2010 | Computers & Internet

1 Answer

Vizio P50HDM No Picture/No Sound


this is most likely the sustainer board(s) problem. Replacing the sustainer boards should correct this problem for you. you can get the parts at vancebaldwin.com

May 29, 2009 | Vizio P50HDTV10A 50 in. Plasma HDTV

1 Answer

Vizio P50HDM No Picture/No Sound


replace the sustainer boards should correct this problem. New sustainer boards may cause red and green pixilation. If this happen, replace control board and TV is as good as new.

Apr 05, 2009 | Vizio P50HDTV10A 50 in. Plasma HDTV

2 Answers

Vizio p42 type sp42a nov 2004 hd tv


POWER SUPPLY OR LCD PANEL INVERTER BOARDS . AVAILABLE THROUGH VIZIO , PARTSTORE.COM OR EBAY

May 14, 2008 | Vizio L32 32 in. LCD HDTV

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